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Filename :
switch_mips_unix.h
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/* * this is the internal transfer function. * * HISTORY * 20-Sep-14 Matt Madison <madison@bliss-m.org> * Re-code the saving of the gp register for MIPS64. * 05-Jan-08 Thiemo Seufer <ths@debian.org> * Ported from ppc. */ #define STACK_REFPLUS 1 #ifdef SLP_EVAL #define STACK_MAGIC 0 #define REGS_TO_SAVE "$16", "$17", "$18", "$19", "$20", "$21", "$22", \ "$23", "$30" static int slp_switch(void) { int err; int *stackref, stsizediff; #ifdef __mips64 uint64_t gpsave; #endif __asm__ __volatile__ ("" : : : REGS_TO_SAVE); #ifdef __mips64 __asm__ __volatile__ ("sd $28,%0" : "=m" (gpsave) : : ); #endif __asm__ ("move %0, $29" : "=r" (stackref) : ); { SLP_SAVE_STATE(stackref, stsizediff); __asm__ __volatile__ ( #ifdef __mips64 "daddu $29, %0\n" #else "addu $29, %0\n" #endif : /* no outputs */ : "r" (stsizediff) ); SLP_RESTORE_STATE(); } #ifdef __mips64 __asm__ __volatile__ ("ld $28,%0" : : "m" (gpsave) : ); #endif __asm__ __volatile__ ("" : : : REGS_TO_SAVE); __asm__ __volatile__ ("move %0, $0" : "=r" (err)); return err; } #endif /* * further self-processing support */ /* * if you want to add self-inspection tools, place them * here. See the x86_msvc for the necessary defines. * These features are highly experimental und not * essential yet. */